Power Electronics By which one of the following we can measure the reliability of a string? Factor of safety. String efficient. Derating factor. Reliability factor. Factor of safety. String efficient. Derating factor. Reliability factor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A d.c. A mechanical An c. None of these A d.c. A mechanical An c. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful to limit di / dt of SCR. for voltage equalisation. both B and C. to limit dV / dt of SCR. to limit di / dt of SCR. for voltage equalisation. both B and C. to limit dV / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.2 µs 3.1 µs 3 µs. 3.3 µs 3.2 µs 3.1 µs 3 µs. 3.3 µs ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS